diff --git a/src/fsfw/pus/Service11TelecommandScheduling.tpp b/src/fsfw/pus/Service11TelecommandScheduling.tpp
index d507e354..090d0fd6 100644
--- a/src/fsfw/pus/Service11TelecommandScheduling.tpp
+++ b/src/fsfw/pus/Service11TelecommandScheduling.tpp
@@ -160,7 +160,7 @@ inline ReturnValue_t Service11TelecommandScheduling<MAX_NUM_TCS>::doInsertActivi
   // (See requirement for Time margin)
   timeval tNow = {};
   Clock::getClock_timeval(&tNow);
-  if (timestamp >= tNow.tv_sec + RELEASE_TIME_MARGIN_SECONDS) {
+  if (timestamp < tNow.tv_sec + RELEASE_TIME_MARGIN_SECONDS) {
 #if FSFW_CPP_OSTREAM_ENABLED == 1
     sif::warning << "Service11TelecommandScheduling::doInsertActivity: Release time too close to "
                     "current time"